Shingle



FIG. 1 is a top plan view of a shingle;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a perspective view thereof; and,

FIG. 6 is a bottom plan view thereof.

CLAIM The ornamental design for a shingle, as shown and described.